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AMD 7970 CrossfireX wont display

post #1 of 5
Thread Starter 
Hey!

Yesterday I got my second Sapphire 7970 card for crossfireX.
I firstly uninstalled all my AMD drivers and used Driver Sweeper to make sure everything was gone.
Then I installed my second GPU, booted up and installed the cataclyst driver.
Unfortunaly, when I enabled crossfireX in CCC, the screen got black with a blinking curzor in the left upper corner!
Now, Ive tryed to use a HDMI cable to get picture and such, but that dident help. Ive reinstalled AMD drivers a bunch of times, never tryed the CD tho, as I experienced problems with it when I used single card.
When I reinstalled it I even unistalled AMD from Device Manager, and hook off that Clear everything button!

I have not tryed to switch around the cards yet, but what suggestion will you guys give me?
Thanks alot for help!
post #2 of 5
Hello Aventadoor,

Does single card configuration work correctly at the moment, or are their issues when crossfire is disabled as well?
Quote:
Boot into Safe Mode > Device Manager > Displays adapters > select uninstall > Restart PC to normal mode.

Got to Programs and features > Catalyst > Express uninstall.

Avoid using Driver Sweeper.

Try Official WHQL Catalyst 11.12 http://sites.amd.com/us/game/downloads/Pages/radeon_win7-64.aspx


If that doesn't help;
  • Uninstall all tweaking applications such as Afterburner, Trixx etc if you have it in the system. Select "no" to keep settings.
  • Uninstall Catalyst package and CAP. Select "Express Uninstall".
  • Delete these folder;
  • C:\user\Program files or (x86)\ ATI or AMD.
  • C:\user\ProgramData\ATI or AMD (need to show hidden files).
  • Turn off UAC.

    Go to Control Panel > User Accounts > change User Account Control Settings > move the slider to bottom > restart PC.
  • Clean it with; Atiman Uninstaller v.6.2.0 (Run with administrator privilege. Some antivirus software will give a false positive. Let it restarts to complete the uninstallation - Disable UAC to install this cleaner).
post #3 of 5
Thread Starter 
It works with single card.
post #4 of 5

Download and install this AMD Catalyst™ Driver for the AMD Radeon HD 7900

 

Turn off UAC prior;

 

Go to Control Panel > User Accounts > change User Account Control Settings > move the slider to bottom > restart PC.

 

 

ケンジ
(16 items)
 
  
CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
CoolingCoolingOSPower
VID-AR699 EK FB X58A-UD9 Win 7 Ultimate x64 1500W / 1250W+1200W 
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Reply
ケンジ
(16 items)
 
  
CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
CoolingCoolingOSPower
VID-AR699 EK FB X58A-UD9 Win 7 Ultimate x64 1500W / 1250W+1200W 
  hide details  
Reply
post #5 of 5
Thread Starter 
Mehh....
Tryed both you guys tips, dident work.
Althought, it did work when I used the CD...
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